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Saif A.

asked • 10/08/18

What is the solution of this Analytical geometry question?

Find and graph the equation of the straight line through the intersection point of the two lines: x+4y = 3 , x + y = 0 and parallel to the straight line passing through the points ( 2, -1 ) and ( 4, 6 ) 

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Andrew M. answered • 10/08/18

Tutor
New to Wyzant

Mathematics - Algebra a Specialty / F.I.T. Grad - B.S. w/Honors

Paul M.

tutor
Please note: I have corrected an error in my answer; the error was due to a transposition error.
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10/08/18

Andrew M.

Is the point (-1, 1) on the line 7x+ 5 = 2y
 
-7 + 5 = 2
-2 = 2
 
Your equation is incorrect.
 
(-1, 1), m = 7/2
 
y = (7/2)x + b
1 = (7/2)(-1) + b
7/2 + 1 = b
9/2 = b
 
y = (7/2)x + 9/2
2y = 7x + 9
7x - 2y = -9
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10/09/18

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